Refillable cartridge-fuse.



E. ALEXANDER.

REFLLABLE CARTRIDGE FUSE. APPLICATION FILED sEPT.11,1e13.

Llojlsa?s rammed June 30,1914.

los readily and easily relleo` 'the screws il.

""f whom. it man; roncern:

Be i" known inet l, Esssn'r iraniennes? e t'lizen oitlie United States7 and s resident oia the i u "vlfnieo7 State of California, lieve elLv of Burlingame, county olf Ssn invented new and useful Improvement. in Refillable Cartridge-Fuses, of which the following is a' specification.

My invenion relates to improved ssrtritlge uses wherein s cylinder of suitable insulating material is provided Witli metallic ends to which nietslliedisks ere ecce-.sricnlly and pivoelly secured that. when elle seid disks are turned upon their pivots the ends of 'the cylinder ere readily accessible 'for tile urpose oii inserting s new fuse Wire end re ling the interior of A@lie seid Cylin- Witli oisinueli or s like substancej end ille objeei of my invention is to provide s cheep and practical cartridge fuse that may `lsecoinplisl1 'these features by ineens o the device illustrated in the drawings iorrniny s pai-rt, @fille present specicstion Where in' ilre numerelsof reference designate similer throughout the said speeiiicst-ion drawings, and in whichiglre l is e broken vertical secliionel ien? of the cartridge disclosing the closed and eine nninner in wliieli the. :ire eeceniricslly secured. 2 is er. View oiligj. l. Fig. 2 is s View similar L Fig. l., init disclosing tne eccentrically secured Clisi: in e position clist- Will provid access to the interior of the cartridgeg and Fig. l is end View of lilon-ercing cartridge fuses oi' this j'pe ere expensive and when the fuse wire is lourn the seine may be replsoed and the cartridge restored to its former state of e ieiencv and usefulness et s small cost by inserting s new inse therein. l propose te provide elle following, s cartridge that nuiy ne easily reedily reiitted Wiin u new fuse reilled with tlie bismuth in the fellowing manner. cylinder oi env suieble insulsting materiel7 is provided with the ineallic ends 2 having inwardly extending lugs :2 integral therewith. `The lugs Q are perforated and proijidecl Wiili che screws 4. to which is eitaclied the central fuse Wire Disks 6 'are seated within the ends Q :ind nre eeeentrieeliy seeured thereto by means of l/lllien the ends oi the cylinand E ny tile disl: 6., ss illustref'eel dei' l are clos in loi l ie d swings lie bismuth there inqv which surrounds the fuse wire 5, is reftsinetl lierein. ,Then it is desired to renew the inse. wire one of' theV screws 4l screwed to s posiion Wliere free to swing clear of the end 2 es illustrfued in Figs. and e of the drawings. The interior oi ille eylnder is then accessible and the old use niey be removed sind s new one inserted Wilioue rendering the disk 5 from tin;- csrtridge. Allier the new fuse 1nes been inserted the cylinder l is refilled Wil-li bismuth and Jdie disks 6 are returned Wieliin ille ends es illustrated in Figs, l and L? o elle i The refilled cartridge is nl swings. now ready Jfor use.

in cz'utiidges of smell diame'ser it is rather diiiieulit to remove the ends Wieliouiy droppingl or losin" the screws or ends of the said curridge. lor this reason l: lieve provided :i reiillable CartridgeV wherein aoress may be had to the interior of the seid cartridge without entirely removing the ends ilierefroin. The disks 6 are set Within the ends Z so thetlie screws [l will not pro! ject beyond tlie ends of the cartridge and in' ieri-'ere with the insertion oic the. seid csrgridge into the electric terminals adapted to receive it.. it is ol? 'aus from the foregoing that lieve promied :i re'iillsble cartridge fuse list nniy be easily reiilled and restored to e, condition Afor use in s chesp and easy nienner,

The details of construction zire so susped tible of variation time l do not wish to confine myself to 'lie precise construction shown lnei'ein.l 1oui rather 'to avail myself of any nunliention that. may Properly fell Within the sfcope of myinvent-lon.

llsving thus described my invention what l claim as new and desire to secure by Leiters Patent isl. A reiillable cartridge fuse comprising e, cylinder of suitable insulntino' materiel; nietullic tubular ends having secured to euch end or' the cylinder; und a disk eccenirically secured to each lug and adapted so close the end of the cylinder.'

2. reiillel'ile osrtri' lgefuse eornprisings, cvliruler oi' suitable insulating material; s inetzillie tubular end secured to each end of lie cylinder und having en inwardly en elle disk 6 is -1 lili tending Iu and a disk eccentrcally secured adapted to be engaged b the screw in the within eac tubular end and tothe mwardly lug und to be retalned wit 1n the end of each extending 1u tubular metallic end.

3 A rella 1e cartridge fuse compri'sing a In witness whereof I hereunto set my sig- 5 cyhnder of sultable insulatlng mater1a1 a nature in the presence of two subscribing 15 Witnesses.

t e cyhnder and havmg lnwardly-extend- EGBERT ALEXANDER. y ing Iugsntegral with the said tubular ends; W'itnesses: a Screw' secured within each lug; and a disk H. W. ENGELBERG, 10 having an aperture eccentric thereto and JAMES F. MCCUE. 

